Research On Flight Schedule Resource Allocation And Optimization Of Multi-airport

With the rapid development of China’s civil aviation transportation industry,the contradiction between the continuously growing demand for flight slots and limited airport slot resources has become increasingly prominent,and airports cannot solve this problem by adding flight slot resources in a short period of time,so airports need to arrange flight schedules more reasonably.At the same time,due to the saturation of the associated airspace capacity,the flight congestion of China multi-airport during peak hours is very serious,and the flight is delayed in a large area,causing inconvenience for passengers.Therefore,the research on flight schedule optimization of airport groups is of great significance to improve the flight operation efficiency of multi-airports and the regional aviation support and transportation service capabilities.Taking the flight schedule of the multi-airport as the research object,this paper establishes the moment optimization model with the lowest total delay cost,and mainly considers the influence of the associated airspace capacity and transition area flight timing on the flight schedule of the multi-airport,taking the Beijing-Tianjin-Hebei multi-airport as an example,the improved Hungarian algorithm is solved,and the simulation verification of the optimized flight schedule is carried out by using SIMMOD software,and the experimental results show that the flight schedule of the multi-airport is optimized through resource allocation,which reduces the overall flight delay.The main research contents of the paper are as follows: The main research contents of the thesis are as follows:(1)Analyze the distribution characteristics of flight schedules at airports and multiairports,and the distribution curve of flight schedules mainly presents four characteristics:zigzag,trapezoidal,morning and evening peak and superposition,and select the number of peaks,peak interval time,and arrival-departure peak pairing as the single-airport flight wave evaluation indicators,and evaluate the multi-airport with peak time overlap rate.Then,the influencing factors of single-airport and multi-airport flight schedules were analyzed,with single airport mainly affected by airport capacity,and multi-airports affected by associated airspace capacity and route structure in transition areas.Second,the basic division of different route conflict types in the transition area is carried out,the time change of different variables is controlled to observe the time change of flights in the transition area,and the flight timing in the transition area is studied to match the flight flow with the capacity of the associated airspace.(2)Aiming at the associated airspace factors affecting the flight schedule arrangement of the multi-airport,this thesis couples the airports in the multi-airport and the associated airspace into an interdependent network,studies the capacity resilience through the idea of "loadcapacity",determines the simulation framework and specific steps,and calculates it by taking the actual operation as an example.The associated capacity is used as a parameter in the flight schedule optimization of the multi-airport,and the flight flow runs through the transition area to reach the associated airspace,and the airspace flight flow meets the capacity requirements.(3)Focusing on the factors of the transition area that affect the flight schedule of the multiairport,taking flight departure as an example,the conflicts of different routes in the transition area are summarized into four basic situations: single flight of the same route,multiple flights of the same route,convergence flight,and divergence flight,and control the change of different variables under these four basic conditions to observe the change in time.Under the condition of meeting the minimum safety interval of flights,the dynamic time range of flights operating in the transition area is calculated,so that after the optimized flight schedule passes through the transition area,the flight traffic reaches the airspace and meets the limit capacity limit of the associated airspace.(4)Based on the research on associated airspace capacity and flight operation in transition area,an optimization model of flight schedule of multi-airport with the lowest total delay cost is established,and the original flight schedule,optimized flight schedule,airport capacity,associated airspace capacity,and flight operation time in the transition area are used as parameters.The flight schedule uniqueness,all flights can be assigned to a time,airport time capacity,optimized flight schedule to meet the airspace capacity as the limit,and solved by the improved Hungarian algorithm,and finally dynamic simulation by SIMMOD software to verify the validity and rationality of the model.